Ask Eddie. Because Eddie would answer just about anything. And by the time he signed off at the end of the day, an embattled railway company’s PR feed had become “the best thing on the Internet,” as HuffPost put it.

Best-of lists were compiled by reporters. When Eddie returned to work for his Wednesday shift, more than 500 comments and questions awaited.

In a statement, Southern Rail said Eddie’s older brother works for the company, and Eddie’s work experience had placed him with various assistants and managers — in train service, in fleet control — before he got his hands on the tweets.

“We have been very impressed at his quick wit and positive approach at the age of just 15,” a representative wrote. “Using social media to keep our passengers up-to-date is a key part of our modernization plan.”